Yawan lalacewar batirin motocin lantarki ya ragu sosai

Yawan lalacewar batirin Lithium-ion ga motocin lantarki masu amfani da wutar lantarki ya ragu sosai a cikin 'yan shekarun nan. Ofishin Fasaha na Motoci na Ma'aikatar Makamashi ta Amurka kwanan nan ya haskaka wani rahoto na bincike mai taken "Sabon Bincike: Tsawon Lokacin da Batirin Mota Mai Lantarki Yake Dawowa?" Rahoton da Recurrent ya wallafa, ya nuna bayanai da ke nuna cewa amincin batirin EV ya yi nisa a cikin shekaru goma da suka gabata, musamman a cikin 'yan shekarun nan.

Binciken ya duba bayanan batirin daga kimanin motoci 15,000 masu caji tsakanin 2011 da 2023. Sakamakon ya nuna cewa adadin maye gurbin batirin (saboda gazawarsa maimakon mayar da shi) ya fi yawa a farkon shekarun (2011-2015) fiye da shekarun baya-bayan nan (2016-2023).

A farkon matakan da aka takaita zaɓuɓɓukan motocin lantarki, wasu samfuran sun fuskanci ƙarancin lalacewar batirin, tare da alkaluma da suka kai maki da yawa na kashi. Bincike ya nuna cewa shekarar 2011 ta kasance shekarar da ta fi kowacce shekarar lalacewar batirin, tare da ƙimar har zuwa 7.5% ban da sake dawowa. Shekarun da suka biyo baya sun ga ƙimar lalacewa daga 1.6% zuwa 4.4%, wanda ke nuna ƙalubalen da ke ci gaba da fuskanta ga masu amfani da motocin lantarki wajen fuskantar matsalolin batirin.

Duk da haka, IT House ta lura da gagarumin sauyi tun daga shekarar 2016, inda adadin maye gurbin lalacewar batirin (ban da sake dawowa) ya nuna alamar juyawa a fili. Duk da cewa mafi girman adadin gazawar har yanzu yana kusa da kashi 0.5%, yawancin shekarun sun ga ƙimar ta kama tsakanin kashi 0.1% da 0.3%, wanda ke nuna ci gaba mai yawa sau goma.

Rahoton ya bayyana cewa yawancin matsalolin da ake fuskanta ana magance su ne a cikin lokacin garantin masana'anta. Inganta ingancin batirin ya faru ne saboda fasahohin zamani kamar tsarin sanyaya batirin ruwa mai aiki, sabbin dabarun sarrafa zafin batiri da sabbin sinadarai na batiri. Baya ga wannan, kula da inganci mai tsauri shima yana taka muhimmiyar rawa.

Idan aka duba takamaiman samfura, farkon Tesla Model S da Nissan Leaf sun yi kama da suna da mafi girman ƙimar lalacewar baturi. Waɗannan motocin biyu sun shahara sosai a ɓangaren toshe-in a lokacin, wanda kuma ya haɓaka matsakaicin ƙimar gazawar gabaɗaya:

2013 Tesla Model S (8.5%)

2014 Tesla Model S (7.3%)

2015 Tesla Model S (3.5%)

Nissan Leaf na 2011 (8.3%)

Nissan Leaf na 2012 (3.5%)

Bayanan binciken sun dogara ne akan ra'ayoyin masu motoci kimanin 15,000. Ya kamata a ambaci cewa babban dalilin da ya sa aka yi amfani da manyan motocin Chevrolet Bolt EV / Bolt EUV da Hyundai Kona Electric a cikin 'yan shekarun nan shine matsalar batirin LG Energy Solution (matsalolin masana'antu).